Electromagnetism Review

Front

What rotates inside a coil of wire in large generators to produce an electric current?

Back

Magnets

Front

What type of energy transformation occurs when a toy is plugged in and a marble is carried up a slide?

Back

Electrical to mechanical energy transformation.

Front

What do electric motors convert?

Back

Electric motors convert electrical energy into mechanical energy.

Front

What can be done to make electromagnets stronger?

Back

Increase the current or add more coils of wire.

Front

What is the device called that generates an electric current by moving magnets?

Back

Generator

Front

What is the principle behind electromagnetism?

Back

Electromagnetism is the interaction between electric currents and magnetic fields.

Front

What is the role of a turbine in a generator?

Back

A turbine spins to move magnets, which generates an electric current.

Front

What is the relationship between electricity and magnetism?

Back

Electricity can create magnetic fields, and moving magnets can generate electricity.

Front

What is an electromagnet?

Back

An electromagnet is a type of magnet in which the magnetic field is produced by an electric current.

Front

How can the strength of an electromagnet be increased?

Back

By increasing the electric current, adding more coils of wire, or using a ferromagnetic core.